Java FilterInputStream .markSupported ()

public boolean markSupported()

import java.io.BufferedInputStream;
import java.io.FileInputStream;
import java.io.FilterInputStream;
import java.io.InputStream;
/*  w  ww.  j  a v  a 2  s  .c om*/
public class Main {
  public static void main(String[] args) throws Exception {

    boolean bool = false;

    // create input streams
    InputStream is = new FileInputStream("C://test.txt");
    FilterInputStream fis = new BufferedInputStream(is);

    // tests if the input stream supports mark() and reset()
    bool = fis.markSupported();

    // prints
    System.out.print("Supports mark and reset methods: " + bool);

  }
}